Home / 10,181.45-15,273.99-5,249.76

Finding the Fourth Proportional to 10,181.45, 15,273.99 and 5,249.76

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Solution

The fourth proportional to 10,181.45, 15,273.99 and 5,249.76 is: 7,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.45 : 15,273.99 = 5,249.76 : x
  2. Step 2: Convert to fraction form
    10,181.45/15,273.99 = 5,249.76/x
  3. Step 3: Cross multiply
    10,181.45x = 15,273.99 × 5,249.76
  4. Step 4: Simplify right side
    10,181.45x = 80,184,781.74
  5. Step 5: Solve for x
    x = 80,184,781.74/10,181.45
  6. Step 6: Final answer
    x = 7,875.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.